2128339 has 8 divisors (see below), whose sum is σ = 2232000. Its totient is φ = 2026752.

The previous prime is 2128333. The next prime is 2128381. The reversal of 2128339 is 9338212.

2128339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2128339 - 2¹³ = 2120147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2128333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (279000).

2^2128339 is an apocalyptic number.

2128339 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2128339 is a deficient number, since it is larger than the sum of its proper divisors (103661).

2128339 is an equidigital number, since it uses as much as digits as its factorization.

2128339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037.

The product of its digits is 2592, while the sum is 28.

The square root of 2128339 is about 1458.8827917280. The cubic root of 2128339 is about 128.6313816221.

The spelling of 2128339 in words is "two million, one hundred twenty-eight thousand, three hundred thirty-nine".